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" This may be done, provided the terms be so placed, that the product of the extremes shall be equal to that of the means. 4. If 3 men perform a certain piece of work in 10 days, how long will it take 6 men to do the same ? The number of days in which 6... "
Adams's New Arithmetic: Arithmetic, in which the Principles of Operating by ... - Σελίδα 157
των Daniel Adams - 1830 - 264 σελίδες
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...require, that the order of the terms of a proportion be chanced. This may be done, provided the term? be so placed, that the product of" the extremes shall...The number of days in which 6 men will do the work beine the term •ought, the known term of the same kind, viz. 10 days, U made the third terra. The...

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...from what has been said, is, that the order of the terms of a proportion may be changed, provided they be so placed, that the product of the extremes shall be equal to that of the means. In the proportion 13: 18 : : 130 : 180, the lollowing arrangements may be made; for in each one of...

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...piece of ' work in 18 days, in what time •will 12 men do it ? 2. If 12 men do a piece, of work in 9 days, how long will it take 6 men to do the same work? mdamdm As 6 : 18 : : 152 As 12 : 9 : : 6 6 • 12 12)108(9 days. Ans. 6)108(18 days." ADS. 108...

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